Added a few undocumented NFS options.
Added a few undocumented NFS options.

denisbr/vagrant,mwrock/vagrant,teotihuacanada/vagrant,marxarelli/vagrant,invernizzi-at-google/vagrant,wangfakang/vagrant,PatrickLang/vagrant,jberends/vagrant,legal90/vagrant,Avira/vagrant,blueyed/vagrant,zsjohny/vagrant,miguel250/vagrant,muhanadra/vagrant,mkuzmin/vagrant,chrisvire/vagrant,tbriggs-curse/vagrant,chrisroberts/vagrant,bshurts/vagrant,jfchevrette/vagrant,legal90/vagrant,justincampbell/vagrant,carlosefr/vagrant,philwrenn/vagrant,lukebakken/vagrant,benh57/vagrant,bdwyertech/vagrant,mitchellh/vagrant,mpoeter/vagrant,shtouff/vagrant,jhoblitt/vagrant,bshurts/vagrant,tjanez/vagrant,stephancom/vagrant,marxarelli/vagrant,fnewberg/vagrant,gitebra/vagrant,loren-osborn/vagrant,benh57/vagrant,jean/vagrant,jhoblitt/vagrant,lonniev/vagrant,Avira/vagrant,cgvarela/vagrant,justincampbell/vagrant,patrys/vagrant,philoserf/vagrant,modulexcite/vagrant,sax/vagrant,myrjola/vagrant,bryson/vagrant,kamazee/vagrant,bdwyertech/vagrant,TheBigBear/vagrant,zsjohny/vagrant,taliesins/vagrant,taliesins/vagrant,Sgoettschkes/vagrant,Chhed13/vagrant,ianmiell/vagrant,nickryand/vagrant,crashlytics/vagrant,kalabiyau/vagrant,mpoeter/vagrant,senglin/vagrant,ArloL/vagrant,Endika/vagrant,jtopper/vagrant,PatrickLang/vagrant,muhanadra/vagrant,lukebakken/vagrant,Endika/vagrant,zsjohny/vagrant,h4ck3rm1k3/vagrant,gbarberi/vagrant,gitebra/vagrant,jhoblitt/vagrant,gbarberi/vagrant,janek-warchol/vagrant,apertoso/vagrant,philwrenn/vagrant,janek-warchol/vagrant,jtopper/vagrant,chrisvire/vagrant,ianmiell/vagrant,apertoso/vagrant,jberends/vagrant,jmanero/vagrant,gitebra/vagrant,ianmiell/vagrant,petems/vagrant,gpkfr/vagrant,loren-osborn/vagrant,denisbr/vagrant,patrys/vagrant,ferventcoder/vagrant,jberends/vagrant,jhoblitt/vagrant,wkolean/vagrant,mwarren/vagrant,otagi/vagrant,kamazee/vagrant,stephancom/vagrant,miguel250/vagrant,aaam/vagrant,dharmab/vagrant,PatOShea/vagrant,marxarelli/vagrant,taliesins/vagrant,bdwyertech/vagrant,tknerr/vagrant,johntron/vagrant,chrisroberts/vagrant,lukebakken/vagrant,jean/vagrant,Chhunlong/vagrant,sax/vagrant,loren-osborn/vagrant,dhoer/vagrant,benizi/vagrant,philwrenn/vagrant,crashlytics/vagrant,philoserf/vagrant,Avira/vagrant,blueyed/vagrant,dustymabe/vagrant,tbriggs-curse/vagrant,johntron/vagrant,Chhed13/vagrant,darkn3rd/vagrant,jmanero/vagrant,myrjola/vagrant,kalabiyau/vagrant,PatOShea/vagrant,jmanero/vagrant,pwnall/vagrant,doy/vagrant,apertoso/vagrant,ianmiell/vagrant,benh57/vagrant,kamigerami/vagrant,jfchevrette/vagrant,mpoeter/vagrant,aaam/vagrant,jean/vagrant,h4ck3rm1k3/vagrant,teotihuacanada/vagrant,benh57/vagrant,jfchevrette/vagrant,sni/vagrant,myrjola/vagrant,crashlytics/vagrant,dharmab/vagrant,jkburges/vagrant,dharmab/vagrant,darkn3rd/vagrant,stephancom/vagrant,wkolean/vagrant,wangfakang/vagrant,senglin/vagrant,dhoer/vagrant,cgvarela/vagrant,vamegh/vagrant,blueyed/vagrant,darkn3rd/vagrant,blueyed/vagrant,doy/vagrant,muhanadra/vagrant,tbarrongh/vagrant,tschortsch/vagrant,senglin/vagrant,TheBigBear/vagrant,vamegh/vagrant,nickryand/vagrant,tbriggs-curse/vagrant,genome21/vagrant,bryson/vagrant,gpkfr/vagrant,benizi/vagrant,teotihuacanada/vagrant,mwarren/vagrant,tknerr/vagrant,johntron/vagrant,kalabiyau/vagrant,petems/vagrant,mpoeter/vagrant,jtopper/vagrant,ArloL/vagrant,krig/vagrant,bheuvel/vagrant,lonniev/vagrant,chrisvire/vagrant,gbarberi/vagrant,justincampbell/vagrant,modulexcite/vagrant,apertoso/vagrant,mitchellh/vagrant,tbarrongh/vagrant,kamazee/vagrant,dustymabe/vagrant,bshurts/vagrant,teotihuacanada/vagrant,muhanadra/vagrant,patrys/vagrant,bheuvel/vagrant,TheBigBear/vagrant,chrisroberts/vagrant,wangfakang/vagrant,jkburges/vagrant,wkolean/vagrant,TheBigBear/vagrant,mkuzmin/vagrant,carlosefr/vagrant,dharmab/vagrant,otagi/vagrant,tschortsch/vagrant,sni/vagrant,mkuzmin/vagrant,legal90/vagrant,dustymabe/vagrant,jberends/vagrant,otagi/vagrant,myrjola/vagrant,taliesins/vagrant,tjanez/vagrant,Chhunlong/vagrant,philoserf/vagrant,lonniev/vagrant,aaam/vagrant,justincampbell/vagrant,chrisroberts/vagrant,PatOShea/vagrant,shtouff/vagrant,mwrock/vagrant,genome21/vagrant,Avira/vagrant,wangfakang/vagrant,legal90/vagrant,aaam/vagrant,darkn3rd/vagrant,sax/vagrant,gpkfr/vagrant,cgvarela/vagrant,tbriggs-curse/vagrant,mwarren/vagrant,tschortsch/vagrant,sax/vagrant,tbarrongh/vagrant,benizi/vagrant,petems/vagrant,benizi/vagrant,aneeshusa/vagrant,kamigerami/vagrant,shtouff/vagrant,tjanez/vagrant,chrisvire/vagrant,petems/vagrant,doy/vagrant,tschortsch/vagrant,tomfanning/vagrant,vamegh/vagrant,carlosefr/vagrant,sni/vagrant,zsjohny/vagrant,dhoer/vagrant,tknerr/vagrant,fnewberg/vagrant,fnewberg/vagrant,pwnall/vagrant,jkburges/vagrant,h4ck3rm1k3/vagrant,invernizzi-at-google/vagrant,Chhed13/vagrant,stephancom/vagrant,cgvarela/vagrant,Chhed13/vagrant,mkuzmin/vagrant,fnewberg/vagrant,Chhunlong/vagrant,gpkfr/vagrant,signed8bit/vagrant,kalabiyau/vagrant,jfchevrette/vagrant,patrys/vagrant,lukebakken/vagrant,ArloL/vagrant,tomfanning/vagrant,mwarren/vagrant,bheuvel/vagrant,Sgoettschkes/vagrant,aneeshusa/vagrant,kamazee/vagrant,Sgoettschkes/vagrant,invernizzi-at-google/vagrant,crashlytics/vagrant,wkolean/vagrant,signed8bit/vagrant,bryson/vagrant,nickryand/vagrant,h4ck3rm1k3/vagrant,mwrock/vagrant,sni/vagrant,Endika/vagrant,tknerr/vagrant,gbarberi/vagrant,philoserf/vagrant,mitchellh/vagrant,mitchellh/vagrant,miguel250/vagrant,ferventcoder/vagrant,tjanez/vagrant,ArloL/vagrant,bshurts/vagrant,tbarrongh/vagrant,PatrickLang/vagrant,ferventcoder/vagrant,signed8bit/vagrant,miguel250/vagrant,genome21/vagrant,pwnall/vagrant,nickryand/vagrant,genome21/vagrant,denisbr/vagrant,marxarelli/vagrant,johntron/vagrant,krig/vagrant,loren-osborn/vagrant,invernizzi-at-google/vagrant,otagi/vagrant,pwnall/vagrant,signed8bit/vagrant,lonniev/vagrant,jmanero/vagrant,PatrickLang/vagrant,krig/vagrant,PatOShea/vagrant,dustymabe/vagrant,Chhunlong/vagrant,janek-warchol/vagrant,kamigerami/vagrant,denisbr/vagrant,shtouff/vagrant,janek-warchol/vagrant,aneeshusa/vagrant,mwrock/vagrant,gitebra/vagrant,vamegh/vagrant,jkburges/vagrant,tomfanning/vagrant,ferventcoder/vagrant,bdwyertech/vagrant,modulexcite/vagrant,philwrenn/vagrant,bryson/vagrant,senglin/vagrant,bheuvel/vagrant,Endika/vagrant,jtopper/vagrant,krig/vagrant,aneeshusa/vagrant,carlosefr/vagrant,dhoer/vagrant,kamigerami/vagrant,Sgoettschkes/vagrant,tomfanning/vagrant,modulexcite/vagrant,jean/vagrant,doy/vagrant